What happens when `H_2O_2` is added to acidified potassium dichromate solution? Write chemical equation.

What happens when water is added to P_2O_5 .

What happens when H_2O_2 is added to KMnO_4 solution, acidified with dilute sulphuric acid.

Answer the following : What happens when sulphur dioxide gas is passed through acidified potassium permanganate solution? Write equation.

What happens when :Boric acid is added to water.

What happens when Lead nitrate solution is mixed with potassium iodide solution.

What happens when, concentrated H_2SO_4 is added to calcium fluoride.

What happens when HBr is added to propene in presence of peroxide.

What happens when: Copper sulphate reacts with potassium iodide